At METLEN Energy & Metals, we are catalysts for a sustainable future, positioned at the forefront of the energy transition while being a reference point for competitive green metallurgy at both the European and global levels. We are a global industrial and energy company operating across two highly interconnected and complementary sectors: Energy and Metals. With a consolidated turnover of €5,683 million and an EBITDA of €1,080 million, along with a workforce of over 7,627 dedicated individuals, we drive success through cutting-edge technology and diverse talent.

We are committed to embracing new state-of-the-art technologies and advancements, propelling us towards a cleaner, brighter tomorrow. Our positive footprint extends across five continents, creating a lasting impact. At METLEN, we foster a culture of resilience, challenge, respect, excellence, and change, empowering our diverse workforce to achieve remarkable outcomes.

Job Description

HVAC Design Engineer

01/04/2026

Job Description:

We are currently looking for an HVAC Design Engineer to join our Design team in our offices in Athens.

As an HVAC Design Engineer, you will be responsible for the design and development of HVAC systems for Power Plants, Industrial Facilities, and Datacenters, including preparation and review of technical documentation and drawings, coordination with BMS and Electrical teams, support during FAT, SAT, and commissioning, participation in design reviews, and support to procurement, construction, and site activities when required.

Your role will encompass:

• Reviewing Customer requirements for HVAC Conceptual/Basic Design and Detail Design for Power Plants, Industrial Facilities and Datacenter facilities
• Preparing and/or reviewing Piping & Instrumentation Diagrams, System & Functional Descriptions, Control Diagrams, General Arrangement drawings
• Preparing technical specifications and associated datasheets for HVAC Equipment
• Coordinate with BMS vendors to ensure correct system integration and Electrical department to ensure correct Electrical feeds sizing and integration in MCC panels
• Support FAT, SAT, and commissioning activities
• Participate in design review meetings
• Provide HVAC installation input to procurement and construction teams. Provide review of supplier's proposals for HVAC equipment
• Flexibility to support site activities, including temporary relocation to the commissioning team

What you bring to the role:

• Bachelor's degree in Mechanical Engineering
• 2+ years of experience in a relevant position
• Excellent knowledge of the English language. Knowledge of other languages shall be considered an additional asset
• Knowledge of relevant codes and standards
• Familiarity with BMS & Control systems
• Familiarity with hazardous area classifications
• Critical thinking & troubleshooting capability
• Ability to multitask and manage time effectively

Share the same Value Based Behaviors:

• People & Personal growth
• Results orientation & Safety excellence
• Collaboration & Trust
• Empathy & Effective communication
• Flexibility & Adaptability

Your Benefits:

• Competitive remuneration package
• Ticket Restaurant Card
• Group Health Insurance Plan
• Preferential household electricity plan
• Pension Plan

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At Metlen Energy & Metals we are proud to have Diversity and Inclusion at the centre of everything we do. We are committed to Equal Employment Opportunity regardless of race, colour, national origin, ethnicity, gender, age, disability, sexual orientation, gender identity or religion.